HomeBelts and Cooling > Hoses and PipesDayco 81441 Radiator Coolant Hose - Lower or Upper
Part #: 81441

Dayco 81441 Radiator Coolant Hose - Lower or Upper

Flex Radiator Hose, Lower
⚙️ 85 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Flex Radiator Hose, Lower
🚗Fitment: Ford, Chevrolet, GMC, International, and Pontiac, F-100, F-150, F-250, F-350, F-500, G10 Van, G20 Van, G30 Van, G15/G1500 Van, G25/G2500 Van, G35/G3500 Van, M700, M1100, Thunderbird, Bonneville, Catalina, Star Chief, and Ranchero
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Overview of Dayco Flex Radiator Hose 81441

The Dayco Flex Radiator Hose 81441 is designed to provide reliable coolant flow for select Ford and Pontiac vehicles. Engineered to meet the cooling system demands of models like the Ford F-150 and Pontiac Bonneville, this radiator coolant hose ensures proper engine temperature regulation.

  • Compatible with Ford F-100, F-150, F-250, F-350, and Thunderbird models
  • Fits Pontiac Bonneville and Catalina vehicles
  • Part number 81441 for precise replacement
  • Constructed for durability and heat resistance
  • Designed to maintain optimal coolant flow and prevent leaks

Detailed Product Description

The Dayco Flex Radiator Hose 81441 is a radiator coolant hose specifically engineered for use in various Ford and Pontiac vehicles. This hose plays a critical role in the vehicle's cooling system by transporting coolant between the radiator and engine, helping to maintain proper engine temperature and prevent overheating. The hose is built to withstand high temperatures and pressure, ensuring long-lasting performance under demanding conditions. Its compatibility with models such as the Ford F-100, F-150, F-250, F-350, Thunderbird, and Pontiac Bonneville and Catalina makes it a reliable choice for maintaining the cooling system integrity in these vehicles.

About the Flex Radiator Hose Product Line

The Flex Radiator Hose line by Dayco focuses on delivering flexible, durable hoses designed to meet the specific cooling system requirements of various vehicle makes and models. This product line emphasizes reliable coolant flow and resistance to heat and pressure, which are essential for maintaining engine performance and preventing coolant leaks. The 81441 hose is part of this line, offering a tailored fit and construction for Ford and Pontiac vehicles.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses
  • Prevention of coolant leaks that can lead to engine overheating
  • Restoration of proper coolant circulation in Ford and Pontiac cooling systems
  • Addressing hose swelling or softening due to heat exposure
  • Ensuring secure connections between radiator and engine components

Installation Notes and Tips

When installing the Dayco Flex Radiator Hose 81441, ensure the engine is cool to avoid burns. Inspect hose clamps and replace if necessary to secure the hose properly. Verify the hose routing matches the original to prevent kinks or interference with other engine components. It is recommended to drain the coolant before removal and refill with fresh coolant after installation to maintain system integrity.

Quality Assurance and Warranty

Dayco manufactures the Flex Radiator Hose 81441 to meet industry standards for durability and performance. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Ford and Pontiac vehicles.

This part fits 85 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersFuel TypePositionNotes
1979FordF-1007.5LV8LowerFlex Radiator Hose
1979FordF-1507.5LV8LowerFlex Radiator Hose
1979FordF-2507.5LV8LowerFlex Radiator Hose
1979FordF-3507.5LV8LowerFlex Radiator Hose
1978FordF-1507.5LV8LowerFlex Radiator Hose
1978FordF-2507.5LV8LowerFlex Radiator Hose
1978FordF-3507.5LV8LowerFlex Radiator Hose
1977FordF-1507.5LV8LowerFlex Radiator Hose
1977FordF-2507.5LV8LowerFlex Radiator Hose
1977FordF-3507.5LV8LowerFlex Radiator Hose
1976FordF-1005.9LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1976FordF-1006.4LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1976FordF-1505.9LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1976FordF-1507.5LV8LowerFlex Radiator Hose
1976FordF-1506.4LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1976FordF-2505.9LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1976FordF-2507.5LV8LowerFlex Radiator Hose
1976FordF-2506.4LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1976FordF-3505.9LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1976FordF-3507.5LV8LowerFlex Radiator Hose
1976FordF-3506.4LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1975FordF-1005.9LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1975FordF-1006.4LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1975FordF-1505.9LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1975FordF-1507.5LV8LowerFlex Radiator Hose
1975FordF-1506.4LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1975FordF-2505.9LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1975FordF-2507.5LV8LowerFlex Radiator Hose
1975FordF-2506.4LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1975FordF-3505.9LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1975FordF-3507.5LV8LowerFlex Radiator Hose
1975FordF-3506.4LV8Lower4 In. Thick Rad. Top; Flex Radiator Hose
1974FordF-1005.9LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1974FordF-1006.4LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1974FordF-1007.5LV8LowerFlex Radiator Hose
1974FordF-2505.9LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1974FordF-2506.4LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1974FordF-2507.5LV8LowerFlex Radiator Hose
1974FordF-3505.9LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1974FordF-3506.4LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1974FordF-3507.5LV8LowerFlex Radiator Hose
1973FordF-1005.9LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1973FordF-1006.4LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1973FordF-1007.5LV8LowerFlex Radiator Hose
1973FordF-2505.9LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1973FordF-2506.4LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1973FordF-2507.5LV8LowerFlex Radiator Hose
1973FordF-3505.9LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1973FordF-3506.4LV8Lower4 In. Thick Rad.; Flex Radiator Hose
1973FordF-3507.5LV8LowerFlex Radiator Hose
1971GMCG15/G1500 Van5.0LV8LowerFlex Radiator Hose
1971GMCG15/G1500 Van5.7LV8LowerFlex Radiator Hose
1971GMCG25/G2500 Van5.0LV8LowerFlex Radiator Hose
1971GMCG25/G2500 Van5.7LV8LowerFlex Radiator Hose
1971GMCG35/G3500 Van5.0LV8LowerFlex Radiator Hose
1971GMCG35/G3500 Van5.7LV8LowerFlex Radiator Hose
1970FordF-1005.9LV8LowerRadiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose
1970FordF-1006.4LV8LowerRadiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose
1970FordF-2505.9LV8LowerRadiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose
1970FordF-2506.4LV8LowerRadiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose
1970FordF-3505.9LV8LowerRadiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose
1970FordF-3506.4LV8LowerRadiator Coolant Hose for H.D. vehicles.; Flex Radiator Hose
1967FordF-1005.8LV8UpperFlex Radiator Hose
1967FordF-100Manual5.8LV8LowerFlex Radiator Hose
1967FordF-2505.8LV8UpperFlex Radiator Hose
1967FordF-250Manual5.8LV8LowerFlex Radiator Hose
1967FordF-3505.8LV8UpperFlex Radiator Hose
1967FordF-350Manual5.8LV8LowerFlex Radiator Hose
1966FordF-1005.8LV8UpperFlex Radiator Hose
1966FordF-250Manual5.8LV8Upperw/2WD; Flex Radiator Hose
1965FordF-1004WDManual5.8LV8GASUpperFlex Radiator Hose
1965FordF-100Manual5.8LV8GASUpperw/o 4WD; Flex Radiator Hose
1965FordF-2504WDManual5.8LV8GASUpperFlex Radiator Hose
1965FordF-250Manual5.8LV8GASUpperw/o 4WD; Flex Radiator Hose
1960FordThunderbird5.8LV8LowerFlex Radiator Hose
1960FordThunderbird7.0LV8LowerFlex Radiator Hose
1960PontiacBonneville6.4LV8LowerFlex Radiator Hose
1960PontiacCatalinaLowerFlex Radiator Hose
1959FordThunderbird5.8LV8LowerFlex Radiator Hose
1959FordThunderbird7.0LV8LowerFlex Radiator Hose
1959PontiacBonneville6.4LV8LowerFlex Radiator Hose
1959PontiacCatalinaLowerFlex Radiator Hose
1958FordThunderbird4.8LV8LowerFlex Radiator Hose
1958FordThunderbird5.4LV8LowerFlex Radiator Hose
1958FordThunderbird5.8LV8LowerFlex Radiator Hose

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8M18

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.